Clemson researchers create biosensors to protect nation's food and water supplies
... that are luminescent, providing a way to flash an alarm to hold the food for closer examination." Chemists used a similar technique to identify worms in pecans. The worms would absorb a chemical that would glow under UV or "black" light. Dawson, along with professors Ya-Ping Sun, Xiuping Jiang, Feng Chen...Scientists discover protein identifies damage to DNA
...that we have identified one piece of the molecular alarm systemthat starts the cascade of DNA repair and ce...ycle checkpoint. The downstream effects of the ATR alarm protein were already known, but it was unclear if ATR sensed damaged DNA directly or if it was just ...Scientists discuss microbial pathogenesis in era of bioterrorism, drug resistance
...ond to a broad range of bacteria by sending off an alarm to the rest of the immune system. Further study r...t have to "see" the whole bacteria to send off its alarm signal, but the presence of the specific bacterial components such as heat shock proteins induced th...Some animals can recognize degree of kinship by scent
...s doesn't make evolutionary sense. o Sounding the alarm when a predator approaches is even more risky, mak...ing's ground squirrels are more likely to give the alarm if they can help close kin (even if they are eaten, nearly identical copies of their genes are hidi...Resumption of caspian caviar trade could mean extinction
...es could resume the caviar trade has been met with alarm by scientists and conservation organizations seeking to restore the beluga sturgeon, which is on the brink of extinction. The decision to allow continued trade in beluga caviar will take the remarkable, yet critically imperiled beluga sturgeon one s......f interferons. These spread through the body as an alarm signal. Studies of infection in cell cultures suggested that removing the receptors, and thus the sensing apparatus, also halted the interferon-production machinery. But those experiments primarily used one specific kind of cell, Kalinke says. Becau...The oceans top 10 coral reef hotspots identified for first time
Study sounds alarm for extinctions of marine species Washington, D.C. -- The worlds top 10 coral reef hotspots, rich in marine species found only in small areas and therefore highly vulnerable to extinction, are identified for the first time in a study by the Cente...DNA arrays give clues to better vaccines
...ond to a broad range of bacteria by sending off an alarm to the rest of the immune system and transforming ...t have to "see" the whole bacteria to send off its alarm signal, but the presence of specific bacterial components, such as proteins and sugars, induced acti...LabNotes -- research highlights from Pacific Northwest National Laboratory
...e, this wireless communications system triggers an alarm if a worker leaves a room without properly closing... mounted at the room's exit point, which sounds an alarm if a worker leaves without fully securing the safe. Secure Safe is being tested at several Departmen......pleting a prototype detector designed to sound the alarm when airborne microbes such as anthrax are in the air. Dr. Jeanne Small, a biophysicist and professor of chemistry and biochemistry at Eastern Washington University in Cheney, Wash., has come up with a detector that continuously samples the air, offe...Anthrax - How to protect ourselves
...hecks for anthrax or other bacteria, and radios an alarm station if it finds anything. "The goal is to have something that sits there 24/7, detecting agents," says Stoutland. But if there is a chance of false alarms as with other antibody tests, organisations may be reluctant to use such machines. At Joh......ide each year, but physicians have noted with some alarm that traditional treatments are waning in effectiveness. Researchers say it's rare for a genetic find originating in a plant to ultimately shed light on such fundamental processes in animals."Often studies in animals and microorganisms have tended to......particular enzyme, T7 RNA polymerase, to act as an alarm system. The enzyme and the antibody both interact through another molecule called a promoter. When the antibody snags the targeted protein, it triggers the promoter that, in turn, triggers the enzyme into creating the signal. Researchers could then s...The enemy of my enemy is my friend
... of their ecology community with volatile alarm signals. Plants are not...ation of the consequences of a plant's alarm call for the herbivore community. From the standpoint of environmental si......une system. Complement proteins serve as a passive alarm system, watching for pathogens that may enter the blood system. When a complement protein finds something it does not recognize, it attaches itself to the invader, summoning the full wrath of the immune system, which attempts to destroy the invader. ...Human gut potential breeding ground for antibiotic resistance
... warns that her group's research should not signal alarm but should be a starting point for futher research. "Studies of this sort should be done on other types of bacteria. We need to see if this is something peculiar to Bacteriodes or, if it's as I suspect, we're going to find this level of horizont......r system that would analyse the data and sound the alarm when problems arose. The computer system could also be programmed with information on how to respond to problems so, as Nagle puts it, "astronauts don't have to become plant biologists to survive in space". For monitoring, the group discussed the pos...An "alarming" discovery for ruffe
...ey found that damaged ruffe skin emits an odor, or alarm pheromone, repugnant to other ruffe that dramatica...ties. "In large laboratory tanks, ruffe avoid the alarm pheromone upon contact," said Sorensen, professor of fisheries and wildlife at the University of Mi...Big brother has a lot to answer for
...tigen called HY, and this may set off the mother's alarm bells. Each successive male would boost that response. This theory is backed indirectly by other studies. One showed that the placenta, which protects a fetus from the mother's immune system, increases in size with each successive male. The good n...CU studies suggest exercise protects body against negative effects of stress from brain to cell
...Smith likened the effects of norepinephrine to the alarm a person might feel after inadvertently running a red light. The third study, spearheaded by Fleshner, was designed to look at differences in bacterial inflammation between groups of exercising rats and sedentary rats, both of which also were stres...